"use strict";

var _SET_BY_CODE;

function _defineProperty(obj, key, value) {
	if (key in obj) {
		Object.defineProperty(obj, key, {
			value: value,
			enumerable: true,
			configurable: true,
			writable: true
		});
	} else {
		obj[key] = value;
	}
	return obj;
}

// constants for internal usage
var SET_A = 0;
var SET_B = 1;
var SET_C = 2;

// Special characters
var SHIFT = 98;
var START_A = 103;
var START_B = 104;
var START_C = 105;
var MODULO = 103;
var STOP = 106;
var FNC1 = 207;

// Get set by start code
var SET_BY_CODE = (_SET_BY_CODE = {}, _defineProperty(_SET_BY_CODE, START_A, SET_A),
	_defineProperty(_SET_BY_CODE, START_B, SET_B), _defineProperty(_SET_BY_CODE, START_C, SET_C), _SET_BY_CODE);

// Get next set by code
var SWAP = {
	101: SET_A,
	100: SET_B,
	99: SET_C
};

var A_START_CHAR = String.fromCharCode(208); // START_A + 105
var B_START_CHAR = String.fromCharCode(209); // START_B + 105
var C_START_CHAR = String.fromCharCode(210); // START_C + 105

// 128A (Code Set A)
// ASCII characters 00 to 95 (0–9, A–Z and control codes), special characters, and FNC 1–4
var A_CHARS = "[\x00-\x5F\xC8-\xCF]";

// 128B (Code Set B)
// ASCII characters 32 to 127 (0–9, A–Z, a–z), special characters, and FNC 1–4
var B_CHARS = "[\x20-\x7F\xC8-\xCF]";

// 128C (Code Set C)
// 00–99 (encodes two digits with a single code point) and FNC1
var C_CHARS = "(\xCF*[0-9]{2}\xCF*)";

// CODE128 includes 107 symbols:
// 103 data symbols, 3 start symbols (A, B and C), and 1 stop symbol (the last one)
// Each symbol consist of three black bars (1) and three white spaces (0).
var BARS = [11011001100, 11001101100, 11001100110, 10010011000, 10010001100, 10001001100, 10011001000,
	10011000100, 10001100100, 11001001000, 11001000100, 11000100100, 10110011100, 10011011100, 10011001110,
	10111001100, 10011101100, 10011100110, 11001110010, 11001011100, 11001001110, 11011100100, 11001110100,
	11101101110, 11101001100, 11100101100, 11100100110, 11101100100, 11100110100, 11100110010, 11011011000,
	11011000110, 11000110110, 10100011000, 10001011000, 10001000110, 10110001000, 10001101000, 10001100010,
	11010001000, 11000101000, 11000100010, 10110111000, 10110001110, 10001101110, 10111011000, 10111000110,
	10001110110, 11101110110, 11010001110, 11000101110, 11011101000, 11011100010, 11011101110, 11101011000,
	11101000110, 11100010110, 11101101000, 11101100010, 11100011010, 11101111010, 11001000010, 11110001010,
	10100110000, 10100001100, 10010110000, 10010000110, 10000101100, 10000100110, 10110010000, 10110000100,
	10011010000, 10011000010, 10000110100, 10000110010, 11000010010, 11001010000, 11110111010, 11000010100,
	10001111010, 10100111100, 10010111100, 10010011110, 10111100100, 10011110100, 10011110010, 11110100100,
	11110010100, 11110010010, 11011011110, 11011110110, 11110110110, 10101111000, 10100011110, 10001011110,
	10111101000, 10111100010, 11110101000, 11110100010, 10111011110, 10111101110, 11101011110, 11110101110,
	11010000100, 11010010000, 11010011100, 1100011101011
];

export default {
	SET_A,
	SET_B,
	SET_C,
	SHIFT,
	START_A,
	START_B,
	START_C,
	MODULO,
	STOP,
	FNC1,
	SET_BY_CODE,
	SWAP,
	A_START_CHAR,
	B_START_CHAR,
	C_START_CHAR,
	A_CHARS,
	B_CHARS,
	C_CHARS,
	BARS
}